Obamacare includes a provision that allows the federal government to funnel taxpayer dollars to insurers that face the prospect of losing too much money under the new health care law, and conservative critics want to repeal it. Sen. Marco Rubio, R-Fla., said the provision could amount to a bailout of the insurance industry, which stands to lose if the troubled Obamacare exchanges fail to enroll enough people to make the system financially viable. Obamacare enrollment has already been stymied by…